EP0943344B1 - Vaporizer for a liquid insecticide or perfume composition, with regulation of the intensity of the heat flow - Google Patents

Vaporizer for a liquid insecticide or perfume composition, with regulation of the intensity of the heat flow Download PDF

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Publication number
EP0943344B1
EP0943344B1 EP99105678A EP99105678A EP0943344B1 EP 0943344 B1 EP0943344 B1 EP 0943344B1 EP 99105678 A EP99105678 A EP 99105678A EP 99105678 A EP99105678 A EP 99105678A EP 0943344 B1 EP0943344 B1 EP 0943344B1
Authority
EP
European Patent Office
Prior art keywords
vaporizer
plug body
plug
offset
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99105678A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0943344A1 (en
Inventor
Franco Zobele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zobele Holding SpA
Original Assignee
Zobele Holding SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zobele Holding SpA filed Critical Zobele Holding SpA
Publication of EP0943344A1 publication Critical patent/EP0943344A1/en
Application granted granted Critical
Publication of EP0943344B1 publication Critical patent/EP0943344B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A61L9/037—Apparatus therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
    • A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source

Definitions

  • the present invention relates to a vaporizer for a liquid insecticide or perfume composition, provided with a system for regulating the intensity of the heat flow which is transmitted by the heating element to the wick of the container holding the liquid composition.
  • the vaporizers to which the present invention applies are those of the type which are provided with a rotatable plug - so as to allow use of the apparatus both with sockets having horizontal holes and with sockets having vertical holes - and in which the electric heating element is integral with the plug and rotates together therewith.
  • Vaporizers for liquid insecticide and perfume composition comprising devices for regulating the intensity of evaporation of the active substance are already present on the market. These devices are based either on the use of special circuits for regulating the intensity of the current supplied to the electric heating element or on the use of mechanical devices which allow the wick and the heating element to be moved towards or away from each other.
  • the object of the present invention is therefore that of providing a vaporizer of the type mentioned above, in which it is also possible to obtain, by means of a simple and reliable structure, minimum/maximum type regulation of the heat flow received by the wick.
  • a vaporizer for liquid insecticide or perfume composition consisting of a housing supporting the liquid composition container and confining the wick thereof, and of a plug body to which an electric heating device is associated, said body being rotatable between at least one vertical plug position and at least one horizontal plug position, characterized in that the means for rotatably supporting the plug body on the housing allow, in addition to rotatably degree of freedom of the plug, at least one other degree of freedom of the plug in a direction perpendicular to the plane of rotation of the plug or in a direction lying on said plane.
  • said plug body has a cylindrical base mating with a corresponding cylindrical cavity of the housing, two conjugate grooves being formed on the side surface of said base, said grooves being apt to co-operate with corresponding pins provided in said cylindrical cavity, so as to allow axial displacements of the plug body during rotation thereof.
  • said plug body is engaged in an eccentric and freely rotatable manner inside a disk element having an axis of rotation parallel to that of the plug body, said disk element being in turn engaged in a freely rotatable manner with said housing, so as to allow transverse displacements of the plug body during rotation of said disk element.
  • FIG. 1 to 4 A first embodiment of the vaporizer according to the present invention is shown in Figs. 1 to 4, in which it can be clearly seen how the vaporizer consists of a housing A and a rotatable plug body S snugly fitting into a corresponding cavity of the housing A.
  • the housing A which is shown in a very schematic way, comprises a cylindrical bush 1 which is threaded internally and arranged in the bottom portion of the housing.
  • the threaded neck of a container holding the liquid to be vaporized (not shown), can be engaged, in a known manner, into the bush 1.
  • the bush 1 is connected at the top to a hollow cylindrical element 2, apt to protect and receive the wick which protrudes from the container holding the liquid.
  • the housing A has a cylindrical chamber 3 intended to receive the rotatable plug body S, as will be explained in greater detail below.
  • the end wall of the chamber 3 has an opening 4 (shown in Fig. 4) which connects the chamber itself to the inside of the cylindrical element 2.
  • the cylindrical side wall of the chamber 3 is provided with at least two through holes, which are offset both angularly, for example by an angle of 90° or 180°, and longitudinally, by a distance f , and which are intended to receive corresponding pins 5 and 6.
  • the rotatable plug body S consists of a cylindrical base 7 integral with a plug portion 8 provided with connector pins 9.
  • Metal leads connected to the connector pins 9 pass through the plug body and emerge on the opposite side thereof where they are welded, or in any other way connected, to an electric heating element 10, for example consisting of a ceramic block having an electric resistance cemented therein.
  • an electric heating element 10 for example consisting of a ceramic block having an electric resistance cemented therein.
  • heating elements of different types and different shapes may be used, for example posistors (known as "PTC"), which all fall within the scope of the invention.
  • the cylindrical base of the 7 of the plug body S has a sufficient height to allow the formation of two annular grooves 11 and 12 which extend as a closed rings over the whole side surface thereof.
  • each groove 11 or 12 preferably comprises two half-rings which are longitudinally offset by a predefined distance d and are connected by inclined sections.
  • the profiles of the two grooves 11 and 12 are identical, but angularly offset by the same angle as the angle by which the holes receiving the pins 5 and 6 are offset.
  • the pins 5 and 6 are offset by 90° and the profiles of the two grooves 11 and 12 are therefore offset by the same angle.
  • angularly offset refers always to angles measured with respect to the axis of rotation of the rotatable plug body S, said axis being indicated by dot-dash lines in Figs. 1 and 2, while the expression “longitudinally offset” always refers to distances measured along said axis.
  • the rotatable plug body S is inserted into the housing A so that its cylindrical base 7 engages snugly, in a freely rotatable manner, within the cylindrical chamber 3.
  • the pins 5 and 6 are then inserted and blocked into the respective holes so that they protrude into the cavity 3, i.e. respectively into the grooves 11 and 12.
  • the cross-section of the grooves 11 and 12 is identical to that of the pins 5 and 6, except that there is a slight degree of slack between the parts which allows the plug body S to be rotated without unduly high friction, while the pins 5 and 6 slide inside the grooves 11 and 12.
  • the plug body S by rotating with respect to the housing A, assumes a first longitudinal position during 180° of rotation and a second longitudinal position, offset with respect to the preceding position by the distance d , during the other 180° of rotation.
  • the heating element 10 will be close to and preferably adherent to the opening 4 and the wick housed in the cylindrical element 2 will therefore receive a maximum flow of heat; in the other position, on the contrary, the heating element will be situated at a distance d from said opening 4 and the wick will therefore receive a minimum flow of heat, thus achieving the object of the invention of obtaining, in a simple, reliable and low-cost manner, the possibility of regulation of the heat flow received by the wick.
  • each of said positions is available both with the connector pins 9 in the horizontal and in the vertical position.
  • Figs. 5, 6 and 7 show a second embodiment of the invention, in which the plug body S has the possibility of moving transversely in its plane of rotation, instead of, as in the preceding embodiment, longitudinally along its axis of rotation.
  • the plug body S is housed, freely rotatably, inside a disk element 13, in turn housed, in a freely rotating manner, inside the housing A.
  • the plug body S is inserted in the disk element in an eccentric position such that, upon rotation of said element, the plug body assumes different lateral positions with respect to the axis of the wick, shown in vertical dot-dash lines in Figs. 5 to 7.
  • the plug body S is able to assume a variety of positions which are offset horizontally or vertically with respect to the wick, so as to allow the desired regulation of the heat flow which reaches the latter.
  • the plug body is able to assume the bottom position shown in Fig. 5, where the heat flow is at its maximum because the rising heat flow envelopes the wick over its entire length, or the high position illustrated in Fig. 6 where the heat flow is less because the rising heat current envelopes only the top part of the wick.
  • the plug body S may be arranged also in the two end lateral positions (not shown) which it assumes during rotation of the disk element 13 and where the heating element 10 is located axially displaced with respect to the wick and therefore the heat flow is at its minimum.
  • the connector pins 9 may assume equally well the horizontal position (shown in solid lines) or the vertical position (shown in broken lines) so as to be adaptable to the position of the socket into which it must be inserted.
  • Snap-engagement stop elements which are well known per se, may be envisaged so as to provide the user with a reliable reference point for the correct working positions of the plug body S and the disk element 13.
  • the disk element 13 is mounted on the housing A, eccentric with respect to the wick, and in particular the axis of the plug body S intersects the axis of the connector pins in one of the end lateral positions assumed by the plug body S during rotation of the disk element 13, as shown in Fig. 7.
  • the wick will receive the maximum heat flow in the position shown in Fig.
  • the vaporizer according to the present invention has fully achieved the desired objects. It offers, in fact, in a vaporizer having a simple and sturdy structure, the possibility for easy regulation of the heat flow which reaches the wick, while maintaining all the advantages of the vaporizers with a rotatable plug body and heating element fixed to said plug body.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fats And Perfumes (AREA)
EP99105678A 1998-03-19 1999-03-19 Vaporizer for a liquid insecticide or perfume composition, with regulation of the intensity of the heat flow Expired - Lifetime EP0943344B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI980554 1998-03-19
IT98MI000554A IT1298757B1 (it) 1998-03-19 1998-03-19 Vaporizzatore di insetticidi o profumi in formulazioni liquide con regolazione della intensita' del flusso di calore

Publications (2)

Publication Number Publication Date
EP0943344A1 EP0943344A1 (en) 1999-09-22
EP0943344B1 true EP0943344B1 (en) 2002-09-04

Family

ID=11379372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99105678A Expired - Lifetime EP0943344B1 (en) 1998-03-19 1999-03-19 Vaporizer for a liquid insecticide or perfume composition, with regulation of the intensity of the heat flow

Country Status (5)

Country Link
EP (1) EP0943344B1 (es)
AT (1) ATE223238T1 (es)
DE (1) DE69902706D1 (es)
ES (1) ES2183452T3 (es)
IT (1) IT1298757B1 (es)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7981367B2 (en) 2000-07-27 2011-07-19 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8061628B1 (en) 2000-07-27 2011-11-22 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8119064B2 (en) 2000-07-27 2012-02-21 The Proctor & Gamble Company Methods, devices, compositions, and systems for improved scent delivery

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356815A (en) * 1999-12-04 2001-06-06 Reckitt & Colmann Prod Ltd Device permitting controlled emission of volatile substances
DE59909132D1 (de) 1999-12-18 2004-05-13 C T R Vorrichtung zum Verdampfen von flüchtigen Substanzen, insbesondere von Insektiziden und/oder Duftstoffen
WO2001093919A1 (en) * 2000-06-09 2001-12-13 S. C. Johnson & Son, Inc. Actives dispenser with offset electrical plug
US6931202B2 (en) 2000-07-28 2005-08-16 S.C. Johnson & Son, Inc. Electrical evaporator with adjustable evaporation intensity
IT1318278B1 (it) 2000-07-28 2003-07-28 Zobele Ind Chimiche S P A Ora Vaporizzatore elettrico di insetticidi o profumi in formulazioniliquide, a intensita' di evaporazione regolabile.
US6501906B2 (en) 2000-12-18 2002-12-31 C.T.R. Consultoria Tecnica E Representacoes Lda Evaporation device for volatile substances
ITMI20010559A1 (it) * 2001-03-16 2002-09-16 Zobele Ind Chim Dispositivo per l'emanazione di soluzioni metodo di produzione del dispositivo ed elettroemanatore utilizzante tale dispositivo
ES2230196T3 (es) 2001-04-05 2005-05-01 C.T.R., Consultoria, Tecnica E Representacoies Lda Dispositivo para vaporzacion de sustancias volatiles, especialmente insecticidas y/o sustancias aromaticas.
DE50111791D1 (de) 2001-04-05 2007-02-15 C T R Vorrichtung zum Verdampfen von flüchtigen Substanzen, insbesondere von Insektiziden und/oder Duftstoffen
ITMI20011297A1 (it) * 2001-06-20 2002-12-20 Zobele Ind Chim Dispositivo per l'emanazione di soluzioni
ATE324914T1 (de) 2001-08-07 2006-06-15 Johnson & Son Inc S C Elektrischer polyfunktioneller wandsteckdosenverdampfer
ITMI20021729A1 (it) * 2002-08-01 2004-02-02 Zobele Holding Spa Apparecchio emanatore per l'emanazione di soluzioni.
US6775470B2 (en) 2002-10-16 2004-08-10 Zoeble Holding Spa Device for the diffusion of solutions
US6996335B2 (en) 2004-02-12 2006-02-07 S.C. Johnson & Son, Inc. Electrical evaporator with ratcheting wick adjuster
ITMI20040416A1 (it) * 2004-03-04 2004-06-04 Zobele Holding Spa Vaporizzatore elettrico di sostanze profumate o insetticide con regolazione dell'intensita' di evaporazione
EP2727609A1 (en) * 2012-11-06 2014-05-07 The Procter & Gamble Company Air treatment device for the vaporization of an air freshening substance
ES2530899B1 (es) * 2013-05-08 2016-01-05 Zobele España, S.A. Dispositivo de evaporación de sustancias volátiles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320573A1 (de) * 1972-05-02 1973-11-22 Intergadgets Ag Einrichtung zum verdampfen von substanzen
US5647053A (en) * 1995-10-11 1997-07-08 S. C. Johnson & Son, Inc. Vapor dipensing device
ES2137111B1 (es) * 1997-06-24 2000-09-16 Dbk Espana Sa Dispositivo evaporador de productos volatiles con intensidad de evaporacion variable.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7981367B2 (en) 2000-07-27 2011-07-19 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8016207B2 (en) 2000-07-27 2011-09-13 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8061628B1 (en) 2000-07-27 2011-11-22 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8119064B2 (en) 2000-07-27 2012-02-21 The Proctor & Gamble Company Methods, devices, compositions, and systems for improved scent delivery
US8210448B2 (en) 2000-07-27 2012-07-03 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8349251B2 (en) 2000-07-27 2013-01-08 The Procter & Gamble Company Methods, devices, compositions, and systems for improved scent delivery
US8651395B2 (en) 2000-07-27 2014-02-18 The Procter & Gamble Company Systems and devices for emitting volatile compositions
US8721962B2 (en) 2000-07-27 2014-05-13 The Procter & Gamble Company Methods, devices, compositions and systems for improved scent delivery

Also Published As

Publication number Publication date
EP0943344A1 (en) 1999-09-22
IT1298757B1 (it) 2000-02-02
ES2183452T3 (es) 2003-03-16
DE69902706D1 (de) 2002-10-10
ATE223238T1 (de) 2002-09-15
ITMI980554A1 (it) 1999-09-19

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